1990052

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 3687936

約数和(自身を除く): 1697884

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 223, 388, 446, 892, 2231, 4462, 5129, 8924, 10258, 20516, 21631, 43262, 86524, 497513, 995026, 1990052]

約数ペア:

[(1, 1990052), (2, 995026), (4, 497513), (23, 86524), (46, 43262), (92, 21631), (97, 20516), (194, 10258), (223, 8924), (388, 5129), (446, 4462), (892, 2231)]